1. A boat is pulled along a canal using a rope tied to its bow. The rope makes an angle of 15° with the centre line of the canal and the force applied to the rope is 1800N. Calculate the
force pulling the boat along the canal and the force pulling the boat to the side of the canal.

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom